Examples with RyaStatementBindingSetCursorIterator org.apache.rya.mongodb.iter.RyaStatementBindingSetCursorIterator used on opensource projects

Example 1 with RyaStatementBindingSetCursorIterator

use of org.apache.rya.mongodb.iter.RyaStatementBindingSetCursorIterator in project incubator-rya by apache.

the class MongoDBQueryEngine method queryWithBindingSet.

@Override
public CloseableIteration<? extends Entry<RyaStatement, BindingSet>, RyaDAOException> queryWithBindingSet(final Collection<Entry<RyaStatement, BindingSet>> stmts, final StatefulMongoDBRdfConfiguration conf) throws RyaDAOException {
    checkNotNull(stmts);
    checkNotNull(conf);
    final Multimap<RyaStatement, BindingSet> rangeMap = HashMultimap.create();
    // TODO: cannot span multiple tables here
    try {
        for (final Map.Entry<RyaStatement, BindingSet> stmtbs : stmts) {
            final RyaStatement stmt = stmtbs.getKey();
            final BindingSet bs = stmtbs.getValue();
            rangeMap.put(stmt, bs);
        }
        // TODO not sure what to do about regex ranges?
        final RyaStatementBindingSetCursorIterator iterator = new RyaStatementBindingSetCursorIterator(getCollection(conf), rangeMap, strategy, conf.getAuthorizations());
        return iterator;
    } catch (final Exception e) {
        throw new RyaDAOException(e);
    }
}